:root {
    --primary-green: #006A12;
    --primary-green-hover: #006A12;
    --text-main: #1F2937;
    --text-muted: #6B7280;
    --border-color: #D1D5DB;
    --bg-main: #F3F4F6;
    --bg-card: #FFFFFF;
    --bg-warning: #FEF3C7;
    --text-warning: #92400E;
    --border-warning: #FDE68A;
    --bg-declaration: #F9FAFB;
    --font-family: 'Inter', sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.5;
    display: flex;
    justify-content: center;
    padding: 2rem 1rem;
}

.page-container {
    background-color: var(--bg-card);
    width: 100%;
    max-width: 800px;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    overflow: hidden;
}

.header {
    padding: 1.5rem 2rem 1rem;
    position: relative;
}

.back-link {
    display: inline-flex;
    align-items: center;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    transition: color 0.2s;
}

.back-link i {
    margin-right: 0.5rem;
}

.back-link:hover {
    color: var(--text-main);
}

.logo-container {
    text-align: center;
    margin-bottom: 1.5rem;
}

.subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 600;
}

.title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-top: 0.25rem;
}

.divider {
    height: 4px;
    background-color: var(--primary-green);
    margin: 0rem -2rem 1.5rem;
}

.form-title {
    text-align: center;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.main-form {
    padding: 0 2rem 2rem;
}

.form-section {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.section-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-green);
}

.grid-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.input-group {
    display: flex;
    flex-direction: column;
}

.input-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-main);
    margin-bottom: 0.375rem;
}

.required {
    color: var(--text-main);
}

input[type="text"],
input[type="date"],
input[type="email"],
input[type="tel"],
input[type="number"],
select {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    font-family: var(--font-family);
    color: var(--text-main);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    background-color: #fff;
}

input::placeholder {
    color: #9CA3AF;
}

input:focus,
select:focus {
    border-color: var(--primary-green);
    box-shadow: 0 0 0 3px rgba(0, 108, 45, 0.1);
}

/* Radio buttons */
.radio-group {
    display: flex;
    gap: 2rem;
    padding-top: 0.375rem;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 0.875rem;
    position: relative;
    padding-left: 1.75rem;
}

.radio-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.radio-custom {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    height: 1.125rem;
    width: 1.125rem;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    transition: all 0.2s;
}

.radio-label input:checked ~ .radio-custom {
    border-color: var(--primary-green);
}

.radio-custom:after {
    content: "";
    position: absolute;
    display: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: var(--primary-green);
}

.radio-label input:checked ~ .radio-custom:after {
    display: block;
}

/* Checkbox (Terms and Conditions) */
.terms-group {
    margin-bottom: 2rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-size: 0.8125rem;
    position: relative;
    padding-left: 1.75rem;
    color: var(--text-main);
}

.checkbox-label input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkbox-custom {
    position: absolute;
    top: 0.125rem;
    left: 0;
    height: 1.125rem;
    width: 1.125rem;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: all 0.2s;
}

.checkbox-label input:checked ~ .checkbox-custom {
    background-color: var(--primary-green);
    border-color: var(--primary-green);
}

.checkbox-custom:after {
    content: "";
    position: absolute;
    display: none;
    left: 0.35rem;
    top: 0.15rem;
    width: 0.25rem;
    height: 0.5rem;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label input:checked ~ .checkbox-custom:after {
    display: block;
}

.checkbox-label a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 500;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

/* File Upload */
.upload-area {
    position: relative;
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background-color: #fff;
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-green);
    background-color: #f8fbf9;
}

.file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
}

.upload-icon {
    font-size: 1.25rem;
    color: var(--text-muted);
}

.upload-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
}

.upload-hint {
    font-size: 0.625rem;
    color: var(--text-muted);
}

/* Declaracion Box */
.declaracion-box {
    background-color: var(--bg-declaration);
    padding: 1.25rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.declaracion-box h4 {
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.declaracion-box p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Warning Box */
.warning-box {
    background-color: var(--bg-warning);
    border: 1px solid var(--border-warning);
    border-radius: 6px;
    padding: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.warning-icon {
    color: var(--text-warning);
    margin-top: 0.125rem;
}

.warning-box p {
    font-size: 0.75rem;
    color: var(--text-warning);
    font-weight: 500;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1rem;
}

button {
    cursor: pointer;
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.btn-cancel {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-cancel:hover {
    background-color: var(--bg-main);
    border-color: #9CA3AF;
}

.btn-submit {
    background-color: var(--primary-green);
    color: white;
    border: 1px solid var(--primary-green);
}

.btn-submit:hover {
    background-color: var(--primary-green-hover);
    border-color: var(--primary-green-hover);
    box-shadow: 0 4px 6px -1px rgba(0, 108, 45, 0.2);
}

@media (max-width: 640px) {
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .header, .main-form {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }
    
    .divider {
        margin-left: -1.25rem;
        margin-right: -1.25rem;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .btn-cancel, .btn-submit {
        width: 100%;
    }
}

/* Custom Snackbar Notifications */
.snackbar {
    visibility: hidden;
    min-width: 250px;
    background-color: var(--text-main);
    color: #fff;
    text-align: center;
    border-radius: 6px;
    padding: 1rem 1.5rem;
    position: fixed;
    z-index: 1000;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    opacity: 0;
    transition: opacity 0.3s ease, bottom 0.3s ease, visibility 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.snackbar.show {
    visibility: visible;
    opacity: 1;
    bottom: 50px;
}

.snackbar.error {
    background-color: #EF4444; /* Tailwind Red 500 */
}

.snackbar.success {
    background-color: var(--primary-green);
}